Guitar pick



FIG. 1 is a top plan view of a guitar pick showing my new design, the bottom plan view being identical to the top; and,

FIG. 2 is a right side view thereof, the left side view being identical to the right.

The broken lines showing circular portions of the guitar pick are included for the purpose of illustrating portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a guitar pick, as shown and described. 